Merge pull request #4 from gjbex/development

Various additions

Author: gjbex

.gitignore

@@ -108,3 +108,6 @@ venv.bak/
 *.swp
 *.bak
 ~$python_software_engineering.pptx
+
+# direnv configuration file
+.envrc

environment.yml

@@ -2,11 +2,12 @@ name: python_software_engineering
 channels:
   - defaults
 dependencies:
-  - flake8
+  - pyparsing
   - jupyterlab
-  - matplotlib
+  - flake8
+  - pytest
+  - python=3.9
   - mypy
   - pylint
-  - pyparsing
-  - pytest
-  - python=3.7.10
+  - matplotlib
+prefix: /home/gjb/miniconda3/envs/python_software_engineering

python_software_engineering.pptx

@@ -9,6 +9,7 @@ https://repo.anaconda.com/pkgs/main/linux-64/intel-openmp-2021.2.0-h06a4308_610.
 https://repo.anaconda.com/pkgs/main/linux-64/ld_impl_linux-64-2.33.1-h53a641e_7.conda
 https://repo.anaconda.com/pkgs/main/linux-64/libstdcxx-ng-9.1.0-hdf63c60_0.conda
 https://repo.anaconda.com/pkgs/main/linux-64/pandoc-2.12-h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/noarch/tzdata-2020f-h52ac0ba_0.conda
 https://repo.anaconda.com/pkgs/main/linux-64/libgcc-ng-9.1.0-hdf63c60_0.conda
 https://repo.anaconda.com/pkgs/main/linux-64/mkl-2021.2.0-h06a4308_296.conda
 https://repo.anaconda.com/pkgs/main/linux-64/expat-2.3.0-h2531618_2.conda
@@ -39,110 +40,110 @@ https://repo.anaconda.com/pkgs/main/linux-64/sqlite-3.35.4-hdfb4753_0.conda
 https://repo.anaconda.com/pkgs/main/linux-64/fontconfig-2.13.1-h6c09931_0.conda
 https://repo.anaconda.com/pkgs/main/linux-64/gst-plugins-base-1.14.0-h8213a91_2.conda
 https://repo.anaconda.com/pkgs/main/linux-64/lcms2-2.12-h3be6417_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/python-3.7.10-hdb3f193_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/async_generator-1.10-py37h28b3542_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/python-3.9.5-hdb3f193_3.conda
+https://repo.anaconda.com/pkgs/main/noarch/async_generator-1.10-pyhd3eb1b0_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/attrs-20.3.0-pyhd3eb1b0_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/backcall-0.2.0-pyhd3eb1b0_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/certifi-2020.12.5-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/chardet-4.0.0-py37h06a4308_1003.conda
+https://repo.anaconda.com/pkgs/main/linux-64/certifi-2020.12.5-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/chardet-4.0.0-py39h06a4308_1003.conda
 https://repo.anaconda.com/pkgs/main/noarch/decorator-5.0.6-pyhd3eb1b0_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/defusedxml-0.7.1-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/entrypoints-0.3-py37_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/entrypoints-0.3-py39h06a4308_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/idna-2.10-pyhd3eb1b0_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/iniconfig-1.1.1-pyhd3eb1b0_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/ipython_genutils-0.2.0-pyhd3eb1b0_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/json5-0.9.5-py_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/kiwisolver-1.3.1-py37h2531618_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/lazy-object-proxy-1.6.0-py37h27cfd23_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/markupsafe-1.1.1-py37h14c3975_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/mccabe-0.6.1-py37_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/mistune-0.8.4-py37h14c3975_1001.conda
+https://repo.anaconda.com/pkgs/main/linux-64/kiwisolver-1.3.1-py39h2531618_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/lazy-object-proxy-1.6.0-py39h27cfd23_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/markupsafe-2.0.1-py39h27cfd23_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/mccabe-0.6.1-py39h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/mistune-0.8.4-py39h27cfd23_1000.conda
 https://repo.anaconda.com/pkgs/main/noarch/more-itertools-8.7.0-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/mypy_extensions-0.4.3-py37_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/mypy_extensions-0.4.1-py39h06a4308_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/nest-asyncio-1.5.1-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/olefile-0.46-py37_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pandocfilters-1.4.3-py37h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/noarch/olefile-0.46-py_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pandocfilters-1.4.3-py39h06a4308_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/parso-0.7.0-py_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/pickleshare-0.7.5-pyhd3eb1b0_1003.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pluggy-0.13.1-py39h06a4308_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/prometheus_client-0.10.1-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/psutil-5.8.0-py37h27cfd23_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/psutil-5.8.0-py39h27cfd23_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/ptyprocess-0.7.0-pyhd3eb1b0_2.conda
 https://repo.anaconda.com/pkgs/main/noarch/py-1.10.0-pyhd3eb1b0_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/pycodestyle-2.6.0-pyhd3eb1b0_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/pycparser-2.20-py_2.conda
 https://repo.anaconda.com/pkgs/main/noarch/pyflakes-2.2.0-pyhd3eb1b0_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/pyparsing-2.4.7-pyhd3eb1b0_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/pyrsistent-0.17.3-py37h7b6447c_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pysocks-1.7.1-py37_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pyrsistent-0.17.3-py39h27cfd23_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pysocks-1.7.1-py39h06a4308_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/pytz-2021.1-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pyzmq-20.0.0-py37h2531618_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pyzmq-20.0.0-py39h2531618_1.conda
 https://repo.anaconda.com/pkgs/main/linux-64/qt-5.9.7-h5867ecd_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/send2trash-1.5.0-pyhd3eb1b0_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/sip-4.19.8-py37hf484d3e_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/six-1.15.0-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/sniffio-1.2.0-py37h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/sip-4.19.13-py39h2531618_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/six-1.15.0-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/sniffio-1.2.0-py39h06a4308_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/testpath-0.4.4-pyhd3eb1b0_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/toml-0.10.2-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/tornado-6.1-py37h27cfd23_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/typed-ast-1.4.2-py37h27cfd23_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/tornado-6.1-py39h27cfd23_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/typed-ast-1.4.2-py39h27cfd23_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/typing_extensions-3.7.4.3-pyha847dfd_0.tar.bz2
 https://repo.anaconda.com/pkgs/main/noarch/wcwidth-0.2.5-py_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/webencodings-0.5.1-py37_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/webencodings-0.5.1-py39h06a4308_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/wheel-0.36.2-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/wrapt-1.12.1-py37h7b6447c_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/wrapt-1.12.1-py39he8ac12f_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/zipp-3.4.1-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/anyio-2.2.0-py37h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/anyio-2.2.0-py39h06a4308_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/babel-2.9.0-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/cffi-1.14.5-py37h261ae71_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/cycler-0.10.0-py37_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/importlib-metadata-3.10.0-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/jedi-0.17.2-py37h06a4308_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/mkl-service-2.3.0-py37h27cfd23_1.conda
-https://repo.anaconda.com/pkgs/main/noarch/mypy-0.812-pyhd3eb1b0_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/cffi-1.14.5-py39h261ae71_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/cycler-0.10.0-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/importlib-metadata-3.10.0-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/jedi-0.17.2-py39h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/mkl-service-2.3.0-py39h27cfd23_1.conda
+https://repo.anaconda.com/pkgs/main/noarch/mypy-0.750-py_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/packaging-20.9-pyhd3eb1b0_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/pexpect-4.8.0-pyhd3eb1b0_3.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pillow-8.2.0-py37he98fc37_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pillow-8.2.0-py39he98fc37_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/prompt-toolkit-3.0.17-pyh06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pyqt-5.9.2-py37h05f1152_2.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pyqt-5.9.2-py39h2531618_6.conda
 https://repo.anaconda.com/pkgs/main/noarch/python-dateutil-2.8.1-pyhd3eb1b0_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/setuptools-52.0.0-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/terminado-0.9.4-py37h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/setuptools-52.0.0-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/terminado-0.9.4-py39h06a4308_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/traitlets-5.0.5-pyhd3eb1b0_0.tar.bz2
-https://repo.anaconda.com/pkgs/main/linux-64/argon2-cffi-20.1.0-py37h27cfd23_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/astroid-2.5-py37h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/argon2-cffi-20.1.0-py39h27cfd23_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/astroid-2.5-py39h06a4308_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/bleach-3.3.0-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/brotlipy-0.7.0-py37h27cfd23_1003.conda
-https://repo.anaconda.com/pkgs/main/linux-64/cryptography-3.4.7-py37hd23ed53_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/brotlipy-0.7.0-py39h27cfd23_1003.conda
+https://repo.anaconda.com/pkgs/main/linux-64/cryptography-3.4.7-py39hd23ed53_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/flake8-3.9.0-pyhd3eb1b0_0.conda
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 https://repo.anaconda.com/pkgs/main/noarch/jupyter-packaging-0.7.12-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/jupyter_core-4.7.1-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/numpy-base-1.20.1-py37h7d8b39e_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pip-21.0.1-py37h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/jupyter_core-4.7.1-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/numpy-base-1.20.2-py39hfae3a4d_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pip-21.1.1-py39h06a4308_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/pygments-2.8.1-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/ipython-7.22.0-py37hb070fc8_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pytest-6.2.3-py39h06a4308_2.conda
+https://repo.anaconda.com/pkgs/main/linux-64/ipython-7.22.0-py39hb070fc8_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/jsonschema-3.2.0-py_2.conda
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-https://repo.anaconda.com/pkgs/main/linux-64/pluggy-0.13.1-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pylint-2.7.4-py37h06a4308_1.conda
+https://repo.anaconda.com/pkgs/main/linux-64/pylint-2.7.4-py39h06a4308_1.conda
 https://repo.anaconda.com/pkgs/main/noarch/pyopenssl-20.0.1-pyhd3eb1b0_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/ipykernel-5.3.4-py37h5ca1d4c_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/ipykernel-5.3.4-py39hb070fc8_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/nbformat-5.1.3-pyhd3eb1b0_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/pytest-6.2.3-py37h06a4308_2.conda
 https://repo.anaconda.com/pkgs/main/noarch/urllib3-1.26.4-pyhd3eb1b0_0.conda
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-https://repo.anaconda.com/pkgs/main/linux-64/nbconvert-6.0.7-py37_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/jupyter_server-1.4.1-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/notebook-6.3.0-py37h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/nbconvert-6.0.7-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/jupyter_server-1.4.1-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/notebook-6.4.0-py39h06a4308_0.conda
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 https://repo.anaconda.com/pkgs/main/noarch/nbclassic-0.2.6-pyhd3eb1b0_0.conda
 https://repo.anaconda.com/pkgs/main/noarch/jupyterlab-3.0.14-pyhd3eb1b0_1.conda
-https://repo.anaconda.com/pkgs/main/linux-64/matplotlib-3.3.4-py37h06a4308_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/matplotlib-base-3.3.4-py37h62a2d02_0.conda
-https://repo.anaconda.com/pkgs/main/linux-64/mkl_fft-1.3.0-py37h42c9631_2.conda
-https://repo.anaconda.com/pkgs/main/linux-64/mkl_random-1.2.1-py37ha9443f7_2.conda
-https://repo.anaconda.com/pkgs/main/linux-64/numpy-1.20.1-py37h93e21f0_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/matplotlib-3.3.4-py39h06a4308_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/matplotlib-base-3.3.4-py39h62a2d02_0.conda
+https://repo.anaconda.com/pkgs/main/linux-64/mkl_fft-1.3.0-py39h42c9631_2.conda
+https://repo.anaconda.com/pkgs/main/linux-64/mkl_random-1.2.1-py39ha9443f7_2.conda
+https://repo.anaconda.com/pkgs/main/linux-64/numpy-1.20.2-py39h2d18471_0.conda

python_software_engineering_linux64_conda_specs.txt

@@ -6,7 +6,6 @@ was used to develop it.
 
 ## What is it?
 
-1. `code-testing`: illustrations of using assertions and unit tests.
 1. `context-manager`: illustrates how to write your own context managers.
 1. `coroutines`: illustrates how to write coroutines in Python.
 1. `decorators`: illustrates how to write decorators in Python.
@@ -24,5 +23,7 @@ was used to develop it.
 1. `pyparsing`: illustration of unit testing on real world code.
 1. `typing`: illustrates how to use type annotation in Python, and
    demonstrates `mypy`.
-1. `unit-testing`: illustrates writing unit tests with `unittest` and
+1. `testing`: illustrates writing unit tests with `unittest` and
    `pytest`.
+1. `oo_vs_functional.ipynb`: comparing object-oriented approach to
+  functional approach, including coroutines.

source-code/README.md

@@ -5,13 +5,13 @@
 
 class NegArgError(Exception):
     def __init__(self, name, n):
-        super(NegArgError, self).__init__()
+        super().__init__()
         self.message = 'argument {0} for {1} negative'.format(n, name)
 
 
 class TooLargeArgError(Exception):
     def __init__(self, name, n):
-        super(TooLargeArgError, self).__init__()
+        super().__init__()
         self.message = 'argument {0} for {1} too large'.format(n, name)
 
 
@@ -46,8 +46,8 @@ def fact(n):
     import sys
     for n in [3, 7, 22, -1]:
         try:
-            print('{0}! = {1}'.format(n, fact(n)))
+            print(f'{n}! = {fact(n)}')
         except Exception as error:
-            sys.stderr.write('### error: {0}\n'.format(error))
-    print('function name: {0}'.format(fact.__name__))
-    print('function docs: {0}'.format(fact.__doc__))
+            print(f'### error: {error.message}', file=sys.stderr)
+    print(f'function name: {fact.__name__}')
+    print(f'function docs: {fact.__doc__}')

source-code/decorators/decorator.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python
 
-from functools import lru_cache
+from functools import cache, lru_cache
 
 
 def memoize(f):
@@ -30,24 +30,32 @@ def fib_lru_cache(n):
         return fib_lru_cache(n - 1) + fib_lru_cache(n - 2)
 
 
+@cache
+def fib_cache(n):
+    if n < 2:
+        return 1
+    else:
+        return fib_cache(n - 1) + fib_cache(n - 2)
+
+
 def fib(n):
     if n < 2:
         return 1
     else:
         return fib(n - 1) + fib(n - 2)
 
 
-def execute(func, n_max):
+def execute(func, n_max, verbose=False):
     values = []
     start = datetime.now()
     for n in range(n_max):
         values.append(func(n))
     delta = datetime.now() - start
-    for n in range(n_max):
-        print('{0}({1}) = {2}'.format(func.__name__, n, values[n]))
-    delta_time = float(delta.seconds) + 1.0e-6*float(delta.microseconds)
-    print('{0}: {1:.6f} s'.format(func.__name__, delta_time))
-    return delta_time
+    if verbose:
+        for n in range(n_max):
+            print('{0}({1}) = {2}'.format(func.__name__, n, values[n]))
+    return float(delta.seconds) + 1.0e-6*float(delta.microseconds)
+
 
 if __name__ == '__main__':
     from argparse import ArgumentParser
@@ -56,10 +64,9 @@ def execute(func, n_max):
     arg_parser = ArgumentParser(description='compare memoized versus '
                                             'non-memooized')
     arg_parser.add_argument('n_max', type=int, help='maximum n value')
+    arg_parser.add_argument('--verbose', action='store_true',
+                            help='display computed values')
     options = arg_parser.parse_args()
-    delta_fib = execute(fib, options.n_max)
-    delta_fib_memoized = execute(fib_memoized, options.n_max)
-    delta_fib_lru_cache = execute(fib_lru_cache, options.n_max)
-    print('non-memoized:\t\t{0:.6f} s'.format(delta_fib))
-    print('memoized:\t\t{0:.6f} s'.format(delta_fib_memoized))
-    print('lru_cache:\t\t{0:.6f} s'.format(delta_fib_lru_cache))
+    for fib_impl in (fib, fib_memoized, fib_cache, fib_lru_cache):
+        delta_time = execute(fib_impl, options.n_max, options.verbose)
+        print(f'{fib_impl.__name__:20s}: {delta_time:.6f} s')